Journal
FORESTS
Volume 10, Issue 4, Pages -Publisher
MDPI
DOI: 10.3390/f10040348
Keywords
phosphate solubilizing bacteria; nutrition; oil tea
Categories
Funding
- National Natural Science Foundation of China [31660189, 31570594]
- Hunan Provincial Natural Science Foundation of China [2018JJ2217, 2018JJ3281]
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Phosphorus (P) is a necessary nutrient for plant growth and plays an important role in plant metabolisms; however, the majority of P in soil is in insoluble forms. Phosphate solubilizing bacteria (PSB) can convert the insoluble phosphates into plant-available forms and may have the potential for use in sustainable agricultural practices. This study examined the effects of two native PSB, namely Bacillus aryabhattai (JX285) and Pseudomonas auricularis (HN038), and a mixture of both strains (1:1) on the growth of Camellia oleifera Abel. seedlings. The results showed a significant promotion of the growth of C. oleifera plants by three inoculation treatments. All the PSB inoculation treatments could improve the leaf nitrogen (N) and P content and had positive effects on the available N, P, and potassium (K) content of rhizosphere soil. A co-inoculation of the two native PSB strains caused a synergistic effect and achieved the best benefit. In conclusion, B. aryabhattai and P. auricularis could be used as biological agents instead of chemical fertilizers for agricultural production to reduce environmental pollution and increase the yield of tea oil.
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